Seek out and terminate rogue agents or team up with friends and form a Cell group -- then take out other Cells online! Download Syphon Filter: Combat Ops and engage in stealth shooter action for up to eight players. Fight multiplayer battles across five mission modes, including Deathmatch, Retrieval and Sabotage. Go to war in four new environments or create a variety of tailored maps and objectives. Be sure to join the Syphon Filter: Combat Ops online community to compare stats and rankings, unlock new characters and seriously raise the stakes!